#pragma once 

 #include <string> 

 #include "Account.h" 
 #include "AccountManager.h" 

 class AccountService 
 { 
 private: 
    AccountManager* pAccountManager; 

 public: 
    AccountService(); 

    void setAccountManager(AccountManager* pManager); 
    void transfer(const std::string& senderId, 
               const std::string& beneficiaryId, long amount); 
 }; 
